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Trigonometry
Page 10
Questions (13,223)
52. Liola drives 19 km up a hill that is at a grade of 15o. What horizontal distance, to the nearest tenth of kilometer, has she
3 answers
asked by
Please Help
832 views
From a point x = 110 feet in front of a public library, the angles of elevation to the base of the flagpole and the top of the
4 answers
asked by
Hi😱
2,603 views
What is the graph of one cycle of a sine curve with the given characteristics? Using the form y = a sin bθ, what is an
4 answers
asked by
dallas
2,535 views
A ferris wheel has a diameter of 10 m and takes 24 sec to make one revolution. The lowest point on the wheel is 1 m above the
3 answers
asked by
Madi
1,471 views
On the graph of f(x) = 8*sin(3pi*x), points P and Q are at consecutive lowest and highest points with P occurring before Q. Find
3 answers
asked by
Joshua
1,066 views
Is 1/2 sin 2x the same expression as sin x? Justify your answer.
3 answers
asked by
someone
772 views
Given that sin = 3/5 and lies in quadrant II, find the following value.
cos
3 answers
asked by
will
2,205 views
A 25 ft ladder is leaning against a vertical wall. At what rate (with respect to time) is the angle theta between the ground and
4 answers
asked by
questioner
884 views
A helicopter is hovering above a road at an altitude of 24 m. At a
certain time, the distance between the helicopter and a car on
3 answers
asked by
Anon
2,458 views
An 18 meter ladder leaning against a building makes a 70 angle with ground. How far up the building does the ladder touch?
3 answers
asked by
Joana
2,516 views
how far from an 84 foot burning building should the base of the fire truck ladder be placed to reach the top of the building at
3 answers
asked by
Anonymous
978 views
Let (7,-3) be a point on the terminal side of theta. Find the exact values of cos of theta, sec of theta and cot of theta?
3 answers
asked by
Anna
8,933 views
The cable supporting a ski lift rises 2 feet for each 5 feet of horizontal length. The top of the cable is fastened 1320 feet
3 answers
asked by
Anonymous
2,543 views
Write expressions for other five trigonometric ratios for each acute angle:
a. csc(theta 0) = a/b b. sec(beta B) = x+1/x-1, x not
3 answers
asked by
amber
1,657 views
what is the reference angle for 17 pi/12?
3 answers
asked by
Brandon
2,655 views
A sail boat on lake Huron leaves Southampton and sails 20degrees west of north of 20km. At the same time, a fishing boat leaves
7 answers
asked by
Sonia
1,139 views
4. Find the exact value for sin(x+y) if sinx=-4/5 and cos y = 15/17. Angles x and y are in the fourth quadrant.
5. Find the exact
4 answers
asked by
Tiffany Enlow
3,736 views
Question being asked: Use the trigonometric ratios and Pythagorean theorem to add the vectors given in the figure. Determine the
4 answers
asked by
Kat
764 views
Use your calculator to find the trigonometric ratio tan75°. Round to the nearest hundredth.
A. 0.26 B. −0.42 C. 3.73 D. 3.43
4 answers
asked by
clouds
1,513 views
2 cos ( x – pie/2) + 3 sin (x + pie/2) - (3sin x + 2cos x )
4 answers
asked by
kumar
432 views
Given that cot x = 5/ sqrt 11 find csc x
A - 5/6 B - 6/5 C - sqrt11/ 6 D - 6/ sqrt11
5 answers
asked by
Anonymous
1,202 views
3tan 1/3 theta=8 in the interval from 0 to 2pi. Solve the equation.
4 answers
asked by
Steve
2,546 views
Find The Height Of A Tree,if The Angle Of Elevation Of Its Top Changes From 25 Dgree T0 50 Dgree As The Observer Advaces 15
3 answers
asked by
Kaleab Yhedego
468 views
Derive an identity that transforms sin(α+β+γ) into a sum of products of sines and/or cosines of the individual numbers α,
3 answers
asked by
Liv
830 views
From a point on the ground 25 ft. from the foot of the tree, the angle of elevation of the top of the tree is 32 degrees. How do
4 answers
asked by
Joy
2,662 views
A ferris wheel has radius of 25 m and its centre is 27 m above the ground. It rotates once every 40 seconds. Sandy gets on the
4 answers
asked by
CL
1,849 views
The vertical position, h, in metres, of a gondola on a Ferris wheel is modelled using the function
h = 10 sin ((pi/15) (t-d)) +
3 answers
asked by
-
2,402 views
The high level bridge, a railway bridge that crosses the Oldman River is over 1km long. From one point on the river, the angle
4 answers
asked by
garry
808 views
how do I solve cosh((1+j)/2) to form of a+jb????
2 answers
asked by
matt
693 views
1. sin^2 theta+cos theta=2 (Hint: Use the Pythagorean identity sin^2 theta+cos theta=1 to replace sin^2 theta in the given
3 answers
asked by
Ryan
2,667 views
Use the Law of Sines to find the missing angle of the triangle. Find m∠B given that c = 83, a = 44, and
m∠A = 31. A. 76.3°
4 answers
asked by
Carpe_Diem
2,669 views
Solution for: A man 1.7m tall observe that the angle of elevation of a top of a tower to be 28°.He moves 50m away from the
4 answers
asked by
Gyamfi
1,315 views
Describe the Transformations For Each Function
a)f(x)=3sin(1/2x+pi/2)+1 b)-1/3cos(2x-pi)-2
3 answers
asked by
Chris
804 views
In a parking garage, there are 20 feet between each level. Each ramp to a level is 130 feet long. Find the measure of the angle
3 answers
asked by
Cindy
1,397 views
An aeroplane flies 520 km north 45 degrees west then 387 km east . it is then noted that the plane is due north of its starting
4 answers
asked by
Difficult
772 views
use a half-angle identity to find the exact value of tan 105 degrees.
3 answers
asked by
Karen
4,631 views
Find sin x/2, cos x/2, and tan x/2 from the given information. (show work please) thank you!!!
cos x = − 4/5, 180° < x < 270°
3 answers
asked by
John
4,096 views
Matt measures the angle of elevation of the peak of a mountain as 35 degrees. Susie, who is 1200 feet closer on a straight level
3 answers
asked by
Alex
117 views
A hiker is 400 meters away from the base of the radio tower.the angle of elevation to the top of the tower is 46°. How high is
4 answers
asked by
Gabby guarino
854 views
If a boat is travelling 25° south of straight east, what is its true bearing?
3 answers
asked by
Gabe
378 views
find all the angles between 0° and 360° which satisfy the equation sin y = 3 cos (y - 30
5 answers
asked by
Mensah Castro
1,047 views
Explain why some trigonometric identities have restrictions or non-permissible
values. What are the restrictions for each of the
4 answers
asked by
dennyelle
592 views
Explain how a trigonometric ratio can be used to find a measurement indirectly.
3 answers
asked by
syd
508 views
sin2x = (radical 3)/ 2
solve each equation on the interval [0,2pi)
4 answers
asked by
tom
1,945 views
A sound wave is modeled with the equation y = 1/4 cos 2pi/3 θ.
a. Find the period. Explain your method. b. Find the amplitude.
3 answers
asked by
Steve
1,132 views
Which statement is ALWAYS true?
A) The sine of an angle is equal to the sine of the angle's complement. B) The cosine of an angle
4 answers
asked by
Lauren
3,598 views
Two ships left the same port at the same time. One travelled at 16kn/h on a course of 275 degrees while the other at 20 km/h of
3 answers
asked by
Bethany
1,440 views
when the angle of elevation of the sun is 58 degrees. the shadow cast by a tree is 28 ft. long. how tall is the tree?
2 answers
asked by
Vata
1,034 views
Find cos(2x) if sin = 7/25 and x lies in quadrant 1
My answer was 336/625 but this was wrong. I do not know how to figure this
3 answers
asked by
Hannah
1,017 views
1. (sec^2x-6tanx+7/sec^2x-5)=(tanx-4/tanx+2)
2. (sin^3A+cos^3A/sinA+cosA)=1-sinAcosA 3. csc^6x-cot^6x+1+3csc^2xcot^2x please help
2 answers
asked by
George
628 views
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